43749937446 has 16 divisors (see below), whose sum is σ = 87510269808. Its totient is φ = 14581580000.

The previous prime is 43749937423. The next prime is 43749937487. The reversal of 43749937446 is 64473994734.

It is a self number, because there is not a number n which added to its sum of digits gives 43749937446.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377865 + ... + 479876.

It is an arithmetic number, because the mean of its divisors is an integer number (5469391863).

Almost surely, 2^43749937446 is an apocalyptic number.

43749937446 is an abundant number, since it is smaller than the sum of its proper divisors (43760332362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43749937446 is a wasteful number, since it uses less digits than its factorization.

43749937446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866247.

The product of its digits is 54867456, while the sum is 60.

The spelling of 43749937446 in words is "forty-three billion, seven hundred forty-nine million, nine hundred thirty-seven thousand, four hundred forty-six".